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PTS
週六 26 5月, 2018 21:37
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 26 Sun - AR12712
回覆: 3
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PTS
週六 26 5月, 2018 21:36
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 26 Sun - AR12712
回覆: 3
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PTS
週六 26 5月, 2018 21:35
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 26 Sun - AR12712
回覆: 3
觀看: 25

2018 May 26 Sun - AR12712

2018 May 26 Sun - AR12712 AR12712 is a very active group with strong flare activities. Bright flares show up to the west of the larger following sunspot, and a chain of small flare also extends towards north. Patches of plages are visible around the tiny leading sunspots. As the slow motion is still...
PTS
週六 26 5月, 2018 18:21
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 26 Sun - AR12711
回覆: 2
觀看: 14

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PTS
週六 26 5月, 2018 18:21
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 26 Sun - AR12711
回覆: 2
觀看: 14

2018 May 26 Sun - AR12711

2018 May 26 Sun - AR12711 AR12711 is moving towards the W limb today. The sunspots look more like bipolar as the leading and following sunspots are more dominant, both with split umbare. Bright flares come from the mid-point of the sunspots, while filaments comes from both the larger leading sunspot...
PTS
週六 26 5月, 2018 08:14
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 25 Sun - AR12712
回覆: 1
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PTS
週六 26 5月, 2018 08:13
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 25 Sun - AR12712
回覆: 1
觀看: 12

2018 May 25 Sun - AR12712

2018 May 25 Sun - AR12712 1 day after turning to the front, AR12712 has developed into a very active group with strong flare activities. The leading sunspots are small while the following sunspot is much larger with many flares. A huge arena of filament surrounds the AR, and a set of filament run no...
PTS
週六 26 5月, 2018 06:13
版面: 業餘天文研究專區 Amateur Astronomers' Research Area
主題: Monitoring of SDSS J141118.31+481257.6 requested
回覆: 0
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Monitoring of SDSS J141118.31+481257.6 requested

AAVSO Alert Notice 635 Monitoring of SDSS J141118.31+481257.6 requested May 25, 2018: Dr. Thomas Kupfer (University of California, Santa Barbara) has requested AAVSO assistance in monitoring the rare AMCVn binary SDSS J141118.31+481257.6 during its current WZ Sge-like outburst, the first outburst de...
PTS
週五 25 5月, 2018 13:25
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 25 Sun - AR12711
回覆: 2
觀看: 13

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PTS
週五 25 5月, 2018 13:24
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 25 Sun - AR12711
回覆: 2
觀看: 13

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PTS
週五 25 5月, 2018 13:23
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 25 Sun - AR12711
回覆: 2
觀看: 13

2018 May 25 Sun - AR12711

2018 May 25 Sun - AR12711 AR12711 has developed into a very active group, with many sunspots. Flares show up around the following sunspot, while filaments comes from both the larger leading sunspot and around the flares. As the slow motion is still unavailable, I have to continue with push or pull t...
PTS
週三 23 5月, 2018 21:45
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 23 Sun - AR12710
回覆: 3
觀看: 26

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PTS
週三 23 5月, 2018 21:44
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 23 Sun - AR12710
回覆: 3
觀看: 26

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PTS
週三 23 5月, 2018 21:43
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 23 Sun - AR12710
回覆: 3
觀看: 26

2018 May 23 Sun - AR12710

2018 May 23 Sun - AR12710 AR12710 is a bipolar group, and both the leading (western) and following sunspots have splitted umbrae. In H-alpha, the flare observed yesterday is still on show. Many filaments comes from the leading sunspot and one of them shoots northward and is reaching far. A stream of...
PTS
週三 23 5月, 2018 18:32
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 23 Sun - AR12711
回覆: 5
觀看: 36

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